Description

Propanedioic Acid, 2-Methylene-, 1,3-Bis(1,1-Dimethylethyl) Ester is a specialized malonic acid derivative, specifically a tert-butyl ester of methylenemalonic acid, valued for its role as a versatile chemical intermediate and monomer. Its structure, featuring a reactive methylene group and bulky tert-butyl ester moieties, makes it a key building block in advanced polymer synthesis and fine chemical manufacturing. This compound is essential for R&D and production in industries such as specialty polymers, pharmaceuticals, and performance materials, where it contributes to the development of novel polymers with tailored properties.

Application

• Polymer Chemistry: Serves as a functional monomer or co-monomer for the synthesis of specialty acrylic and methacrylic polymers, contributing to properties like low shrinkage, high thermal stability, and specific refractive indices.
• Advanced Material Production: Used in the development of high-performance resins, coatings, and adhesives that require precise chemical functionality.
• Pharmaceutical Intermediates: Acts as a key synthetic building block in the multi-step synthesis of complex active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Cross-linking Agent: Utilized in formulations to introduce cross-linking sites into polymer networks, enhancing mechanical strength and chemical resistance.
• Organic Synthesis: Employed in research laboratories for Michael addition reactions, cyclizations, and other C-C bond-forming processes due to its active methylene group.
• Specialty Chemical Manufacturing: A precursor for synthesizing other fine chemicals, dyes, and photoinitiators used in various industrial applications.

Basic Information

Product Name	Propanedioic Acid, 2-Methylene-, 1,3-Bis(1,1-Dimethylethyl) Ester
CAS No.	86633-09-2
Molecular Formula	C13H22O4
Molecular Weight	242.31 g/mol
Synonyms	Di-tert-butyl methylenemalonate; 2-Methylenemalonic Acid Di-tert-butyl Ester; Bis(1,1-dimethylethyl) 2-methylenepropanedioate; Di-tert-butyl 2-methylenemalonate; Methylenemalonic Acid Di-tert-butyl Ester; DTBM; Propanedioic acid, methylene-, bis(1,1-dimethylethyl) ester
EINECS	Contact for details

Quality Control

Our production of Propanedioic Acid, 2-Methylene-, 1,3-Bis(1,1-Dimethylethyl) Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment, ensuring full traceability and compliance with your specific requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.